List of top Mathematics Questions on Statistics asked in TS PGECET

If the observed frequencies exactly match expected frequencies, then what is \(\chi^2\) (Chi-square) value?

If \(\mu_1,\mu_2\) and \(\mu_3\) are the mean, median and mode respectively of a normal distribution, then \[ 3(\text{Median})-2(\text{Mode}) = ? \]